ACTPHYSEL=B_0x0
HW feature 0 register
| MIISEL | 10 or 100 Mbps Support |
| GMIISEL | 1000 Mbps Support |
| HDSEL | Half-duplex Support |
| PCSSEL | PCS Registers (TBI, SGMII, or RTBI PHY interface) |
| VLHASH | VLAN Hash Filter Selected |
| SMASEL | SMA (MDIO) Interface |
| RWKSEL | PMT Remote wake-up Packet Enable |
| MGKSEL | PMT Magic Packet Enable |
| MMCSEL | RMON Module Enable |
| ARPOFFSEL | ARP Offload Enabled |
| TSSEL | IEEE 1588-2008 Timestamp Enabled |
| EEESEL | Energy Efficient Ethernet Enabled |
| TXCOESEL | Transmit Checksum Offload Enabled |
| RXCOESEL | Receive Checksum Offload Enabled |
| ADDMACADRSEL | MAC Addresses 1-31 Selected |
| MACADR32SEL | MAC Addresses 32-63 Selected |
| MACADR64SEL | MAC Addresses 64-127 Selected |
| TSSTSSEL | Timestamp System Time Source 1 (B_0x1): Internal 2 (B_0x2): External 3 (B_0x3): Both |
| SAVLANINS | Source Address or VLAN Insertion Enable |
| ACTPHYSEL | Active PHY Selected 0 (B_0x0): GMII or MII 1 (B_0x1): RGMII 2 (B_0x2): SGMII 3 (B_0x3): TBI 4 (B_0x4): RMII 5 (B_0x5): RTBI 6 (B_0x6): SMII |